package com.coda.controller;

import com.coda.result.Result;
import com.coda.utils.AliOssUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.util.UUID;

@Slf4j
@RestController
@RequestMapping("/admin/file")
@Api(tags = "文件管理")
public class FileUploadController {
    @Autowired
    private AliOssUtil aliOssUtil;
    /**
     * 文件上传
     */
    @PostMapping("/upload")
    @ApiOperation(value = "文件上传")
    public Result upload(MultipartFile file){
        log.info("文件上传：{}",file);

        //获取文件名
        String filename = file.getOriginalFilename();
        //获取扩展名的起始索引
        int index = filename.lastIndexOf(".");
        //获取扩展名
        String suffix = filename.substring(index);
        //使用uuid给文件命名
        String newFileName = UUID.randomUUID().toString() + suffix;

        String upload = null;
        try {
            upload = aliOssUtil.upload(file.getBytes(), newFileName);
            return Result.ok(upload);
        } catch (IOException e) {
            log.info("文件上传失败");
        }
        return Result.err();
    }
}
